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LT1009 Series 2.5V Reference FEATURES s s s s s DESCRIPTIO s Maximum Initial Tolerance: 0.2% Guaranteed Temperature Stability Maximum 0.6 Dynamic Impedance Wide Operating Current Range Directly Interchangeable with LM136 for Improved Performance No Adjustments Needed for Minimum Temperature Coefficient The LT(R)1009 is a precision trimmed 2.5V shunt regulator diode featuring a maximum initial tolerance of only 5mV. The low dynamic impedance and wide operating current range enhances its versatility. The 0.2% reference tolerance is achieved by on-chip trimming which not only minimizes the initial voltage tolerance but also minimizes the temperature drift. Even though no adjustments are needed with the LT1009, a third terminal allows the reference voltage to be adjusted 5% to calibrate out system errors. In many applications, the LT1009 can be used as a pin-to-pin replacement of the LM136 and the external trim network eliminated. For a lower drift 2.5V reference, see the LT1019 data sheet. , LTC and LT are registered trademarks of Linear Technology Corporation. APPLICATIO S s s s s s Reference for 5V Systems 8-Bit A/D and D/A Reference Digital Voltmeters Current Loop Measurement and Control Systems Power Supply Monitor TYPICAL APPLICATION 2.5V Reference 2.53 5V TO 35V 2.52 REFERENCE VOLTAGE (V) 3.6k OUTPUT LT1009 10k* TRIM 2.51 2.50 2.49 2.48 *DOES NOT AFFECT TEMPERATURE COEFFICIENT. 5% TRIM RANGE 1009 TA01 2.47 -50 -25 U Output Voltage GUARANTEED MAXIMUM TYPICAL GUARANTEED MINIMUM 50 25 75 0 TEMPERATURE (C) 100 125 1009 TA02 U U 1 LT1009 Series ABSOLUTE AXI U RATI GS Reverse Current .................................................... 20mA Forward Current ................................................... 10mA Storage Temperature Range ................. - 65C to 150C Lead Temperature (Soldering, 10 sec).................. 300C PACKAGE/ORDER I FOR ATIO BOTTOM VIEW ADJ + - ORDER PART NUMBER TOP VIEW LT1009MH LT1009CH H PACKAGE 3-LEAD TO-46 METAL CAN TJMAX = 150C, JA = 440C/ W, JC = 80C/ W OBSOLETE PACKAGE Consider the MS8, S8 or Z Packages for Alternate Source TOP VIEW NC 1 NC 2 NC 3 (-) 4 8 7 6 5 (+) NC (+) ADJ ORDER PART NUMBER LT1009S8 LT1009IS8 S8 PART MARKING 1009 1009I S8 PACKAGE 8-LEAD PLASTIC SO TJMAX = 150C, JA = 190C/ W Consult LTC Marketing for parts specified with wider operating temperature ranges. AVAILABLE OPTIO S TEMPERATURE 0C to 70C -40C to 85C -55C to 125C ACCURACY (%) 0.20 0.40 0.20 0.40 0.20 TEMPERATURE COEFFICIENT (ppm/C) 25 25 35 35 35 LT1009MH TO-46 (H) OBSOLETE LT1009CH LT1009CMS8 LT1009S8 LT1009IZ LT1009IS8 PACKAGE STYLE MSOP-8 SO-8 (MS8) (S8) TO-92 (Z) LT1009CZ 2 U U W WW U U W (Note 1) Operating Temperature Range LT1009/LT1009C .................................. 0C to 70C LT1009I ........................................... - 40C to 85C LT1009M (OBSOLETE) ................... -55C to 125C ORDER PART NUMBER 8 7 6 5 (+) NC (+) ADJ NC NC NC (-) 1 2 3 4 LT1009CMS8 MS8 PART MARKING LTQZ MS8 PACKAGE 8-LEAD PLASTIC MSOP TJMAX = 150C, JA = 250C/ W BOTTOM VIEW ADJ + - ORDER PART NUMBER LT1009CZ LT1009IZ Z PACKAGE 3-LEAD PLASTIC TO-92 TJMAX = 100C, JA = 160C/ W LT1009 Series ELECTRICAL CHARACTERISTICS The q denotes specifications which apply over the full operating temperature range, otherwise specifications are TA = 25C. SYMBOL PARAMETER VZ VZ IR rZ Reverse Breakdown Voltage Reverse Breakdown Change with Current Reverse Dynamic Impedance Temperature Stability VZ Temp VZ Time CONDITIONS TA = 25C, IR = 1mA, 400A IR 10mA q MIN H, Z Pkg MS, S Pkg LT1009M TYP MAX MIN LT1009I TYP MAX LT1009/LT1009C MIN TYP MAX UNITS V V mV mV mV ppm/C ppm/C ppm/C ppm/kHr 2.495 2.500 2.505 2.6 3.0 0.2 0.4 15 25 20 6 10 0.6 1.0 15 25 35 2.495 2.500 2.505 2.495 2.500 2.505 2.49 2.50 2.51 2.49 2.50 2.51 2.6 3.0 0.2 0.4 15 10 12 1.0 1.4 15 25 35 2.6 3.0 0.2 0.4 1.8 15 10 12 1.0 1.4 4 25 IR = 1mA q TMIN TA TMAX q Average Temperature 0C TA 70C Coefficient (Notes 2, 3) - 40C TA 85C - 55C TA 125C Long-Term Stability TA = 25C 0.1C, IR = 1mA 20 20 Note 1: Absolute Maximum Ratings are those values beyond which the life of a device may be impaired. Note 2: Guaranteed by Design. Note 3: Average temperature coefficient is defined as the total voltage change divided by the specified temperature change. TYPICAL PERFOR A CE CHARACTERISTICS Reverse Characteristics 10 -1 1.2 TJ = 25C 1.0 REVERSE VOLTAGE CHANGE (mV) 0.01 0.1 1 10 1009 G02 FORWARD VOLTAGE (V) REVERSE CURRENT (A) 10 -2 10 -3 TJ = 25C 10 -4 TJ = 125C TJ = -55C 10 -5 0.5 1.0 1.8 2.2 1.4 REVERSE VOLTAGE (V) 2.6 1009 G01 UW Forward Characteristics 5 Reverse Voltage Change 4 0.8 0.6 0.4 0.2 0 0.001 3 2 1 0 0 4 FORWARD CURRENT (mA) 12 16 8 REVERSE CURRENT (mA) 20 1009 G03 3 LT1009 Series TYPICAL PERFOR A CE CHARACTERISTICS Dynamic Impedance 100 IR = 1mA -55C TJ 125C DYNAMIC IMPEDANCE () 200 250 IR = 1mA TJ = 25C VOLTAGE SWING (V) NOISE (pV/Hz) 10 1 0.1 10 100 1k 10k FREQUENCY (Hz) SCHE ATIC DIAGRA Q2 Q1 Q4 Q6 Q3 4 W UW 1009 G04 Output Noise Voltage 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0 Response Time OUTPUT 5k INPUT OUTPUT 150 100 10 4 INPUT 0 1 TIME (s) 20 1009 G06 100k 50 0 10 100 1k FREQUENCY (Hz) 1009 G05 10k 100k W + Q7 Q11 24k Q8 Q7 20pF 10k 30pF Q10 24k 6.6k 500 Q9 30k 6.6k Q12 ADJ Q5 720 Q13 - 1009 SD LT1009 Series TYPICAL APPLICATIO S Wide Supply Range, Adjustable Reference 3.6V TO 40V V+ LM334 V- R 62 LT1009 10k 1009 TA03 5V -5V U Low Temperature Coefficient Power Regulator VIN IN LT317A OUT ADJ VOUT 1.2k 375 LT1009 2k 1009 TA04 Switchable 1.25V Bipolar Reference 5V 5k 5k LT1009 10k 1% OUT 9.76k 1% 500 1009 TA05 5k -5V 5 LT1009 Series PACKAGE DESCRIPTIO 0.209 - 0.219 (5.309 - 5.537) 0.178 - 0.195 (4.521 - 4.953) 0.500 (12.700) MIN * REFERENCE PLANE 0.016 - 0.021** (0.406 - 0.533) DIA *LEAD DIAMETER IS UNCONTROLLED BETWEEN THE REFERENCE PLANE AND 0.045" BELOW THE REFERENCE PLANE 0.016 - 0.024 **FOR SOLDER DIP LEAD FINISH, LEAD DIAMETER IS (0.406 - 0.610) 0.007 (0.18) 0.021 0.006 (0.53 0.015) * DIMENSION DOES NOT INCLUDE MOLD FLASH, PROTRUSIONS OR GATE BURRS. MOLD FLASH, PROTRUSIONS OR GATE BURRS SHALL NOT EXCEED 0.006" (0.152mm) PER SIDE ** DIMENSION DOES NOT INCLUDE INTERLEAD FLASH OR PROTRUSIONS. INTERLEAD FLASH OR PROTRUSIONS SHALL NOT EXCEED 0.006" (0.152mm) PER SIDE 6 U H Package 2-Lead and 3-Lead TO-46 Metal Can (LTC DWG # 05-08-1340) 0.085 - 0.105 (2.159 - 2.667) 0.050 (1.270) TYP 0.100 (2.540) TYP PIN 1 FOR 3-LEAD PACKAGE ONLY 0.025 (0.635) MAX 45 0.036 - 0.046 (0.914 - 1.168) 0.028 - 0.048 (0.711 - 1.219) H02/03(TO-46) 1098 0.050 (1.270) TYP OBSOLETE PACKAGE MS8 Package 8-Lead Plastic MSOP (Reference LTC DWG # 05-08-1660) 0.118 0.004* (3.00 0.102) 8 76 5 0.193 0.006 (4.90 0.15) 0.118 0.004** (3.00 0.102) 1 0.043 (1.10) MAX 0 - 6 TYP SEATING PLANE 23 4 0.034 (0.86) REF 0.009 - 0.015 (0.22 - 0.38) 0.0256 (0.65) BSC 0.005 0.002 (0.13 0.05) MSOP (MS8) 1100 LT1009 Series PACKAGE DESCRIPTIO 0.010 - 0.020 x 45 (0.254 - 0.508) 0.008 - 0.010 (0.203 - 0.254) 0- 8 TYP 0.014 - 0.019 (0.355 - 0.483) TYP *DIMENSION DOES NOT INCLUDE MOLD FLASH. MOLD FLASH SHALL NOT EXCEED 0.006" (0.152mm) PER SIDE **DIMENSION DOES NOT INCLUDE INTERLEAD FLASH. INTERLEAD FLASH SHALL NOT EXCEED 0.010" (0.254mm) PER SIDE 0.016 - 0.050 (0.406 - 1.270) 0.060 0.005 (1.524 0.127) DIA 0.180 0.005 (4.572 0.127) 0.500 (12.70) MIN 0.050 (1.27) BSC 3 2 1 10 NOM Information furnished by Linear Technology Corporation is believed to be accurate and reliable. However, no responsibility is assumed for its use. Linear Technology Corporation makes no representation that the interconnection of its circuits as described herein will not infringe on existing patent rights. U S8 Package 8-Lead Plastic Small Outline (Narrow .150 Inch) (Reference LTC DWG # 05-08-1610) 0.189 - 0.197* (4.801 - 5.004) 8 7 6 5 0.228 - 0.244 (5.791 - 6.197) 0.150 - 0.157** (3.810 - 3.988) 1 2 3 4 0.053 - 0.069 (1.346 - 1.752) 0.004 - 0.010 (0.101 - 0.254) 0.050 (1.270) BSC SO8 1298 Z Package 3-Lead Plastic TO-92 (Similar to TO-226) (Reference LTC DWG # 05-08-1410) 0.180 0.005 (4.572 0.127) 0.90 (2.286) NOM 0.050 UNCONTROLLED (1.270) LEAD DIMENSION MAX 5 NOM 0.016 0.003 (0.406 0.076) 0.060 0.010 (1.524 0.254) 0.015 0.002 (0.381 0.051) Z3 (TO-92) 0401 0.140 0.010 (3.556 0.127) 0.098 +016/-0.04 (2.5 +0.4/-0.1) 2 PLCS TO-92 TAPE AND REEL REFER TO TAPE AND REEL SECTION OF LTC DATA BOOK FOR ADDITIONAL INFORMATION 7 LT1009 Series TYPICAL APPLICATIO RELATED PARTS PART NUMBER LT1019 LT1236 LTC(R)1798 LT1460 LT1634 LT1461 DESCRIPTION Precision Series Reference Precision Series Reference Micropower Low Dropout Series Reference Micropower Precision Series Reference Micropower Precision Shunt Voltage Reference Micropower Precision Series Reference COMMENTS Bandgap, 0.05%, 5ppm/C 5V and 10V Zener-Based 5ppm/C, SO-8 Package 0.15% Max, 6.5A Supply Current Bandgap, 130A Supply Current 10ppm/C, Available in SOT-23 Bandgap 0.05%, 10ppm/C, 10A Supply Current 0.04% Max, 3ppm/C Max, 35A Supply Current 8 Linear Technology Corporation 1630 McCarthy Blvd., Milpitas, CA 95035-7417 (408)432-1900 q FAX: (408) 434-0507 q www.linear-tech.com U Low Noise 2.5V Buffered Reference 1F VIN 6V 10k 1k 10k 1k 2 - + 7 6 2.5V LT1001C 3 4 + 100k LT1009 20F + 20F 1009 TA06 1009fc LT/TP 0501 1.5K REV C * PRINTED IN USA (c) LINEAR TECHNOLOGY CORPORATION 1985 |
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